Question

Write a default constructor in the user exception class in java

Answer 1

public class Tester {

  int a;

  String b;

  public static void main(String[] args) {

     //Default constructor

     //is called to create a new object

     Tester t = new Tester();

     //print the default values

     System.out.println(t.a);

     System.out.println(t.b);

  }

}

Output

0

null

Explanation:

Java compiler automatically creates a default constructor (Constructor with no arguments) in case no constructor is present in the java class. Following are the motive behind a default constructor.

Create the Object

Call the super class constructor()

Initialize all the instance variables of the class object

Answer 2

Explanation:

hope this helpful to u dear, ......